Sun-Dried-Tomato Burgers with Balsamic-Glazed Onions

The backyard burger goes upscale with the addition of sun-dried-tomatoes and balsamic flavored onions! From Bon Appetit. Prep time does not include 1 hour chill time.

• Ready In: 40 mins
• Serves: 8

Ingredients

• 3  lbs ground beef (half of ground chuck and sirloin preferred)
• 1 1⁄3 cups  chopped drained sun-dried tomatoes packed in oil
• 6  tablespoons  oil, reserved from tomatoes
• 1⁄2 cup  grated onion
• 3  tablespoons dried basil
• 2  teaspoons ground cumin
• 1⁄2 teaspoon salt
• 1⁄4 teaspoon ground black pepper
• 3  onions, halved,thinly sliced
• 1⁄4 cup  balsamic vinegar
• 8  hamburger buns, toasted

Directions

1. Line large baking sheet with parchment paper.
2. Mix ground beef, chopped sun-dried tomatoes, 2 tablespoons reserved tomato oil, grated onion, dried basil, ground cumin, 1/2 teaspoon salt, and 1/4 teaspoon pepper in a large bowl.
3. Form mixture into 8 patties.
4. Transfer patties to prepared baking sheet.
5. Cover with plastic wrap and refrigerate at least 1 hour.
6. Prepapre barbecue (medium-high heat).
7. Heat remaining 4 tablespoons reserved tomato oil in heavy large skillet over medium-high heat.
8. Add sliced onions and saute until soft and starting to brown, about 10 minutes.
9. Add balsamic vinegar.
10. Sprinkle with salt and pepper.
11. Simmer until onions are deep brown, stirring occasionally, about 10 minutes.
12. Remove from heat.
13. (Can be prepared 1 hour ahead. Let stand at room temperature. Wrap in foil and reheat on grill 10 minutes before serving.) Grill burgers until cooked through, about 5 minutes per side.
14. Place 1 burger on bottom half of each bun.
15. Top with onions and bun tops and serve.